21493788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3041}}^1$

素因数の和:3098

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 33018852

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 1178, 1767, 2356, 3041, 3534, 6082, 7068, 9123, 12164, 18246, 36492, 57779, 94271, 115558, 173337, 188542, 231116, 282813, 346674, 377084, 565626, 693348, 1131252, 1791149, 3582298, 5373447, 7164596, 10746894, 21493788]

約数ペア:

[(1, 21493788), (2, 10746894), (3, 7164596), (4, 5373447), (6, 3582298), (12, 1791149), (19, 1131252), (31, 693348), (38, 565626), (57, 377084), (62, 346674), (76, 282813), (93, 231116), (114, 188542), (124, 173337), (186, 115558), (228, 94271), (372, 57779), (589, 36492), (1178, 18246), (1767, 12164), (2356, 9123), (3041, 7068), (3534, 6082)]